Question: In which krai is Volgograd located?
Paraphrase: In which krai is Volgograd located?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P36 wd:Q914 . ?sbj wdt:P31 wd:Q20683493 } 
Answer: Lower Volga Krai, Stalingrad Krai